×

Larimar
Larimar

Vivianite
Vivianite



ADD
Compare
X
Larimar
X
Vivianite

Larimar and Vivianite Optical Properties

Add ⊕
1 Optical Properties
1.1 Luster
Not Available
Vitreous, Pearly
1.2 Pleochroism
Not Available
Anomalous plechroism is strong with colours deep blue/pale yellowish green/yellowish green.Michael O’Donoghue
1.3 Dispersion
NANA
Fluorite Optical Properties
0.007 1
1.4 Transparency
Gemmological Tables (2004)
Transparent
1.5 Refractive Index
1.595-1.6451.560-1.640
Agate Opal
1 3.25
1.6 Optic Character
Not Available
Not Available
1.7 Crystal System
monoclinic
Not Available
1.8 Birefringence
0.032-0.0380.054-0.075
Achroite
0 0.296
1.9 Clarity
Gemmological Tables (2004)
Transparent

Larimar and Vivianite Optic Character

Larimar and Vivianite optical properties play a significant role while distinguishing these gemstones from each other. These properties are influenced by the Larimar and Vivianite Physical Properties like crystallographic symmetry, pleochroism,etc. in the crystal. Some of the optical properties are refractive index, luster, optic character, pleochroism etc. Prominent among these is Larimar and Vivianite optic character. You might have noticed your gemologist rotating the gemstone while testing it. Rotating a gemstone along its optic axis helps in determining its optic character.

Larimar and Vivianite Transparency

Similar to their colors, Larimar and Vivianite transparency can also be used as criteria for their primary identification. Although transparency cannot be the only criteria for gemstone identification, it can efficiently used in gemstone grading. Talking about their transparency, Larimar is Gemmological Tables (2004) while Larimar is Gemmological Tables (2004) in appearance.